These are some great DIY projects that you can do for cheap.

I built a whole-home ad blocker with a $7 ESP32-S3 board - and it took just minutes ...

Subtitle: 456 stars prove it. Open source has democratized the skies for RC. 35,000 yen. That is the going rate for a decent Betaflight flight controller as of 2026. The Holybro Kakute H7 is $65. The ...

On a chessboard, a pawn moves forward on its own. A knight jumps in an L-shape. A rook slides in a straight line. All 32 pieces are independent robots. Moreover, it is open-source and anyone can build ...

RadioLib allows its users to integrate all sorts of different wireless communication modules, protocols and even digital modes into a single consistent system. Want to add a Bluetooth interface to ...

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

This document is aimed at the Arduino developers, radio experimenters, hobbyists and anyone interested in building a receiver based on the Si473X IC family from Silicon Labs. This project is about an ...

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